Kaja Foglio Books

Girl Genius

By Kaja Foglio, Phil Foglio

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Girl Genius Volume 4

By Laurie E. Smith, Kaja Foglio, Phil Foglio

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Agatha's airship crashes in the Wastelands, where she encounters a traveling circus in which she hides from Baron Wulfenbach. While with the circus, Agatha trains with the circus's expert swordswom...

Girl Genius Volume 4

By Laurie E. Smith, Kaja Foglio, Phil Foglio

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Agatha Heterodyne & the Clockwork Princess

By Kaja Foglio, Phil Foglio

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Agatha finds herself in a fairy-tale castle on a mountain pass, where she gets caught up in an evil plan to bring back one of the deadliest enemies of recent history.

Girl Genius

By Kaja Foglio, Phil Foglio

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Collects three adventures of Agatha Clay, girl genius and descendent of the Heterodyne line of mad scientists.

Girl Genius Volume 1

By Kaja Foglio, Phil Foglio

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Agatha Heterodyne and the Sleeping City

By Kaja Foglio, Phil Foglio

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Girl Genius The Second Journey of Agatha Heterodyne 4

By Kaja Foglio, Phil Foglio

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Girl Genius The Second Journey of Agatha Heterodyne Volume 5

By Kaja Foglio, Phil Foglio

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Girl Genius The Second Journey of Agatha Heterodyne Volume 6

By Kaja Foglio, Phil Foglio

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.